'''Margaret Sidney''' was the pseudonym
of American writer '''Harriett Mulford Stone Lothrop''' (June 22, 1844 – August 2, 1924). In addition to writing popular children's stories, she ran her husband Daniel Lothrop
's publishing company after his death. After they bought The Wayside
country house, they worked hard to make it a center of literary life.
[''The National Cyclopaedia of American Biography'', Vol 8 (1898) James T. White & Co., New York.]